martin



(No Model.) 2 Sheets-Sheet 1..

J. MARTIN.

PIANO PEDAL STOOL.

No. 371,774. Patented Oct. 18, 1887.

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J. MARTIN.

PIANO PEDAL STOOL. No. 371,774. Patented Oct. 18, 1887.

WIZn sses I52 #622 701' A w? W fl y ww h lllamg s as. MMWZJZ Y UNITED STATES PATENT OFFICE.

JAKOB MARTIN, OF NEW" YORK, N. Y., ASSIGNOR OF TVVOTHIRDS TO IVILHELM OHSE AND MAX ROSENHEIM, BOTH OF SAME PLACE.

PIANO-PEDAL STOOL.

SPECIFICATION forming part of Letters Patent No. 371,774, dated October 18, 1887.

Application filed September 14, 1887. Serial No- 249,689, (No model.)

To aZZ whom it may concern.

Be'it known that I, JAKOB MARTIN, a citizen of the United States, residing at the city of New York, in the county and State of. New York, have invented a new and useful Piano- Pedal Extension, of which the following is a specification.

The nature of the invention consists in the details of combination and construction, substantially as illustrated in the drawings, here inafter described, and subsequently pointed out in the claims.

Figure 1 illustrates an interior view of my invention. Fig. 2illustrates a pawl operating with certain cog-wheels, hereinafter more fully described. Fig. 3 illustrates a piano with my invention applied to it. Fig. 4 is a detail view illustrating a part of my invention hereinafter fully described; Fig. 5, a plan view of the top of my newly-invented piano-pedal extension.

A designates the body or case of the device, and A the movable top of the same, which is raised and lowered by the action of the meshing spur-wheels O and Oupon the racks F and F. To accomplish this the wheel O is turned by the head D. The wheels 0 and C may be held in any desired position by the interposition of the pawl E, which is revoluble upon the shaft E by turning the head E. In the top A are fastened, in avertical position, two tubes, B and B. In these slide the rods B B, which are adjustable in the sleeve B and held in adjustment by the setscrew b. Upon the lower end of this sleeve B is fixed a rubher or felt cushion, Z). One end of the blade spring b is attached to the wall of the body A and the other end to the sleeve B The two racks F and E, which slide in the guides G and G, are attached by their upper ends to the movable top A, and when raised by the motion of the wheels 0 and 0 lift the top.

To use my invention, it is placed with the cushions 12 directly over the pedal H of a piano, as illustrated in Fig. 3. A child who is to play at the piano, and who, on account of the shortness of the limbs, cannot reach the pedals of the piano, is now placed on the stool, and the height of the device adjusted by turning the wheels 0 and O, and when the proper height is attained stopping the wheels 0 and O with the pawl E. Then the pedals B are, if it be necessary, to be further adjusted by looseniugthe screws 12 and sliding the rods B in the sleeves B until these pedals B are of the proper height to be easily reached by the feet of the child. Then the child, proceeding to play on the piano, pushes down on the pedals B with the feet just as a larger person does on an ordinary piano. As the bar B moves downward it carries the sleeve B with it until the cushion b, coming upon the pedal H of the piano, depresses it enough-to produce the desired effect. WVhen the pressure of the foot is removed, the spring 12, which had by this operation been compressed by reason of its resilience, returns the sleeve B the bar B, and the pedal B to their original position. This may be repeated as often as required; and thus a child can work the pedals of a piano as easily as an adult.

WhatI claim as my invention, and desire to secure by Letters Patent, is

1. The combination, with the body A and the movable top A, of the guides G and G, the racks F and F, the wheels 0 and O, the head. D, the pawl E, the stem E, and the knob, substantially as and for the purpose set forth.

2. The combination of the body A and the movable top A with the pedals B, the tubes B, the rods B, the sleeve B the springs b, the set-screws b, and the cushions b, substantially as and for the purpose set forth.

In witness whereof I hereunto set my hand in presence of two witnesses.

JAKOB MARTIN.

Witnesses:

F. W. RUBIEN, O. E. MCDONALD. 

